diff --git a/app/actions/channels-actions.c b/app/actions/channels-actions.c
index 8cf9560bfe..452f4db0d2 100644
--- a/app/actions/channels-actions.c
+++ b/app/actions/channels-actions.c
@@ -302,13 +302,13 @@ channels_actions_update (GimpActionGroup *group,
 
               list = g_list_find (channel_list, iter->data);
 
-              if (gimp_item_get_index (list->data) == 0)
-                first_selected = TRUE;
-              if (gimp_item_get_index (list->data) == n_channels - 1)
-                last_selected = TRUE;
-
               if (list)
                 {
+                  if (gimp_item_get_index (list->data) == 0)
+                    first_selected = TRUE;
+                  if (gimp_item_get_index (list->data) == n_channels - 1)
+                    last_selected = TRUE;
+
                   if (g_list_previous (list))
                     have_prev = TRUE;
                   if (g_list_next (list))
diff --git a/app/actions/layers-actions.c b/app/actions/layers-actions.c
index ee8b7431ce..dd0b0e002c 100644
--- a/app/actions/layers-actions.c
+++ b/app/actions/layers-actions.c
@@ -837,15 +837,15 @@ layers_actions_update (GimpActionGroup *group,
           layer_list = gimp_item_get_container_iter (GIMP_ITEM (iter->data));
           iter2 = g_list_find (layer_list, iter->data);
 
-          if (gimp_item_get_index (iter2->data) == 0)
-            first_selected = TRUE;
-          if (gimp_item_get_index (iter2->data) == n_layers - 1)
-            last_selected = TRUE;
-
           if (iter2)
             {
               GList *next_visible;
 
+              if (gimp_item_get_index (iter2->data) == 0)
+                first_selected = TRUE;
+              if (gimp_item_get_index (iter2->data) == n_layers - 1)
+                last_selected = TRUE;
+
               if (g_list_previous (iter2))
                 have_prev = TRUE;
 
diff --git a/app/actions/vectors-actions.c b/app/actions/vectors-actions.c
index b9501c280f..61da538402 100644
--- a/app/actions/vectors-actions.c
+++ b/app/actions/vectors-actions.c
@@ -377,13 +377,13 @@ vectors_actions_update (GimpActionGroup *group,
           vectors_list = gimp_item_get_container_iter (GIMP_ITEM (iter->data));
           iter2 = g_list_find (vectors_list, iter->data);
 
-          if (gimp_item_get_index (iter2->data) == 0)
-            first_selected = TRUE;
-          if (gimp_item_get_index (iter2->data) == n_paths - 1)
-            last_selected = TRUE;
-
           if (iter2)
             {
+              if (gimp_item_get_index (iter2->data) == 0)
+                first_selected = TRUE;
+              if (gimp_item_get_index (iter2->data) == n_paths - 1)
+                last_selected = TRUE;
+
               if (g_list_previous (iter2))
                 have_prev = TRUE;